I'm sorry, there are no cheap 0-star hotels in the centre area of the city.
How about a guesthouse with 0-star and cheap?
hotel-area hotel-pricerange hotel-stars hotel-type restaurant-area restaurant-day restaurant-food restaurant-name restaurant-people restaurant-pricerange restaurant-time
hotel-area hotel-pricerange hotel-stars hotel-type restaurant-area restaurant-day restaurant-food restaurant-people restaurant-pricerange restaurant-time
hotel-area hotel-name hotel-pricerange hotel-stars hotel-type restaurant-area restaurant-day restaurant-food restaurant-people restaurant-pricerange restaurant-time
hotel-area hotel-pricerange hotel-stars hotel-type restaurant-area restaurant-day restaurant-food restaurant-people restaurant-pricerange restaurant-time